Avaya P332G-ML User Manual download pdf (Page 119)

Chapter 12 Avaya P330 Layer 3 Features

Avaya P332G-ML User’s Guide 105

NetBIOS Re-broadcast Configuration

NetBIOS Overview

Short for Network Basic Input Output System, an application programming

interface (API) that augments the DOS BIOS by adding special functions for local-

area networks (LANs). Almost all LANs for PCs are based on the NetBIOS. Some

LAN manufacturers have even extended it, adding additional network capabilities.

The Avaya P330 can be configured to relay netbios UDP broadcast packets. This

feature is used for applications such as WINS that use broadcast but may need to

communicate with stations on other subnets or VLANs.

Configuration is performed on a per-interface basis. When a netbios broadcast

packet arrives from an interface on which netbios rebroadcast is enabled, the packet

is distributed to all other interfaces configured to rebroadcast netbios.

If the netbios packet is a net-directed broadcast (e.g., 149.49.255.255), the packet is

relayed to all other interfaces on the list, and the IP destination of the packet is

replaced by the appropriate interface broadcast address.

If the netbios broadcast packet is a limited broadcast (e.g., 255.255.255.255), it is

relayed to all VLANs on which there are netbios-enabled interfaces. In that case, the

destination IP address remains the limited broadcast address.

NetBIOS Re-broadcast Configuration CLI Commands

In order to... Use the following command...

Set NetBIOS rebroadcasts mode on

an interface

ip netbios-rebroadcast

Disable NetBIOS rebroadcasts

mode on an interface

no ip netbios-rebroadcast

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Avaya P332G-ML User Manual Page 119